Coronavirus continued to make its presence felt across worldwide elite sport on Wednesday.

The World Health Organisation (WHO) officially declared COVID-19 to be a pandemic and major American sports franchises were taking appropriate measures as European football was forced to react once more.

Sports governing bodies have also had their say, with events calendars becoming increasingly fluid.

Here are some of the latest events to be impacted.

In the United States the Golden State Warriors have confirmed their game against Brooklyn Nets on Thursday will be played behind closed doors, making them the first NBA team to make such a move following consultation with the City and County of San Francisco.

This directive also means the San Francisco Giants is working with Major League Baseball to make alternative arrangements after the planned March 24 exhibition game against the Oakland Athletics at Oracle Park was cancelled.

Seattle Mariners are hoping to relocate their opening games of the MLB regular season after Washington governor Jay Inslee announced large group events in the state would be banned throughout March.

The National Collegiate Athletic Association (NCAA) will stage its flagship March Madness basketball tournament "with only essential staff and limited family attendance".

Coronavirus cases in Spain have spiked, and the Royal Spanish Football Federation (RFEF) has postponed the Copa del Rey final between Real Sociedad and Athletic Bilbao.

The showpiece fixture was due to take place in Seville on April, with reports suggesting May 30 has been pencilled as a new date.

Barcelona have cancelled training sessions at their La Masia headquarters for the next 15 days, while RFEF has recommended football at all levels beneath the top two professional leagues is called off for two weeks.

In Germany, Eintracht Frankfurt announced Thursday's Europa League game against Basel will take place behind closed doors, while this weekend's derby between Hertha Berlin and Union Berlin will also take place without supporters.

Mainz's clash with Cologne is another of the forthcoming Bundesliga games where fans have been told to stay away.

The Premier League match between Manchester City and Arsenal became the first football match in England to be postponed as a coronavirus precaution and City are offering refunds on tickets to future fixtures up to and including the day of the game, acknowledging unease among supporters over taking part in large gatherings at this time.

Pep Guardiola's side have matches at home to Burnley and Real Madrid over the coming week.

CONMEBOL, the governing body for football in South America announced Copa Libertadores and Copa Sudamericana matches held in Paraguay will take place behind closed doors, in line with local government advice.

Qatar, which will host the 2022 World Cup, will stage all remaining matches in its domestic football season without supporters, although CAF has decided to maintain its competition schedule unless the WHO declares a country in Africa to be high risk.

The International Tennis Federation (ITF) has postponed the Fed Cup Finals in Budapest after Hungary's government prohibited public indoor gatherings of more than 100 people.

On their tour of Sri Lanka, the England cricket team have been told to avoid casual interaction with fans, such as selfies and autographs.